Wafer boat for use in a semiconductor wafer heat processing apparatus



FIG. 1 a perspective view of a wafer boat for use in a semiconductor wafer heat processing apparatus;

FIG. 2 a front elevational view thereof;

FIG. 3 a cross-sectional view taken along line III--III in FIG. 2;

FIG. 4 a cross-sectional view taken along line IV--IV in FIG. 2;

FIG. 5 a top plan view thereof;

FIG. 6 a right side view thereof;

FIG. 7 a rear elevational view thereof; and,

FIG. 8 a bottom plan view thereof. 

I claim the ornamental design for wafer boat for use in a semiconductor wafer heat processing apparatus, as shown and described. 